Home / 55,049,179.80-82,571,145.30-18,654,000.60

Finding the Fourth Proportional to 55,049,179.80, 82,571,145.30 and 18,654,000.60

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Solution

The fourth proportional to 55,049,179.80, 82,571,145.30 and 18,654,000.60 is: 27,980,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049,179.80 : 82,571,145.30 = 18,654,000.60 : x
  2. Step 2: Convert to fraction form
    55,049,179.80/82,571,145.30 = 18,654,000.60/x
  3. Step 3: Cross multiply
    55,049,179.80x = 82,571,145.30 × 18,654,000.60
  4. Step 4: Simplify right side
    55,049,179.80x = 1,540,282,193,968,887.25
  5. Step 5: Solve for x
    x = 1,540,282,193,968,887.25/55,049,179.80
  6. Step 6: Final answer
    x = 27,980,111.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.